mirror of
https://github.com/BookStackApp/BookStack.git
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98 lines
2.6 KiB
TypeScript
98 lines
2.6 KiB
TypeScript
import {
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DOMConversion,
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DOMConversionMap,
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DOMConversionOutput, ElementFormatType,
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LexicalNode,
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ParagraphNode,
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SerializedParagraphNode,
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Spread
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} from "lexical";
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import {EditorConfig} from "lexical/LexicalEditor";
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export type SerializedCustomParagraphNode = Spread<{
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id: string;
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}, SerializedParagraphNode>
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export class CustomParagraphNode extends ParagraphNode {
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__id: string = '';
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static getType() {
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return 'custom-paragraph';
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}
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setId(id: string) {
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const self = this.getWritable();
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self.__id = id;
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}
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getId(): string {
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const self = this.getLatest();
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return self.__id;
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}
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static clone(node: CustomParagraphNode) {
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const newNode = new CustomParagraphNode(node.__key);
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newNode.__id = node.__id;
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return newNode;
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}
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createDOM(config: EditorConfig): HTMLElement {
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const dom = super.createDOM(config);
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const id = this.getId();
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if (id) {
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dom.setAttribute('id', id);
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}
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return dom;
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}
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exportJSON(): SerializedCustomParagraphNode {
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return {
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...super.exportJSON(),
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type: 'custom-paragraph',
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version: 1,
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id: this.__id,
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};
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}
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static importJSON(serializedNode: SerializedCustomParagraphNode): CustomParagraphNode {
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const node = $createCustomParagraphNode();
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node.setId(serializedNode.id);
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return node;
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}
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static importDOM(): DOMConversionMap|null {
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return {
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p(node: HTMLElement): DOMConversion|null {
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return {
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conversion: (element: HTMLElement): DOMConversionOutput|null => {
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const node = $createCustomParagraphNode();
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if (element.style) {
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node.setFormat(element.style.textAlign as ElementFormatType);
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const indent = parseInt(element.style.textIndent, 10) / 20;
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if (indent > 0) {
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node.setIndent(indent);
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}
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}
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if (element.id) {
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node.setId(element.id);
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}
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return {node};
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},
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priority: 1,
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};
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},
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};
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}
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}
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export function $createCustomParagraphNode() {
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return new CustomParagraphNode();
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}
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export function $isCustomParagraphNode(node: LexicalNode | null | undefined): node is CustomParagraphNode {
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return node instanceof CustomParagraphNode;
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} |